Great Lakes Forecast
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FZUS63 KDTX 192052
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
352 PM EST Mon Feb 19 2018

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure averaging 29.80 inches will push in over
Michigan Monday evening into Tuesday afternoon, bringing prolonged
rain chances to the Great Lakes. Rain and thunderstorm chances will
continue throughout the entirety of Tuesday as low pressure weakens
slightly down to 29.90 inches by Tuesday evening. A strong high
pressure system averaging 30.80 inches will then build in across the
Great Lakes Wednesday through Thursday.

LHZ361-200915-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
352 PM EST Mon Feb 19 2018

.TONIGHT...East winds 5 to 10 knots increasing to 15 to 20 knots
in the late evening and overnight. Snow showers likely and a
chance of freezing rain early in the evening. Showers in the
evening. Freezing rain in the late evening and overnight. Waves
1 to 3 feet building to 2 to 4 feet after midnight.
.TUESDAY...East winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and early afternoon...then becoming southeast
5 to 10 knots late in the afternoon. Freezing rain likely.
Showers likely in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots becoming west 15 to
20 knots in the late evening and overnight. Showers likely until
early morning. Waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.WEDNESDAY...Northwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. A chance of freezing rain early
in the morning. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming light
and variable. Waves 1 to 3 feet.
.THURSDAY...Light and variable winds becoming southeast 5 to
10 knots late in the afternoon. A chance of snow showers late in
the evening. Waves 2 feet or less.
.FRIDAY...East winds 10 to 15 knots becoming southeast 5 to
10 knots in the late morning and early afternoon...then veering
to the south early in the evening veering to the west in the late
evening and early morning. A chance of snow showers. A chance of
showers in the afternoon. Waves 2 feet or less.
.SATURDAY...West winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots until early morning. A chance of snow showers after
midnight. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

LHZ362-363-200915-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
352 PM EST Mon Feb 19 2018

.TONIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots
in the late evening and overnight. Showers. Freezing rain after
midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late
evening and overnight.
.TUESDAY...East winds 10 to 15 knots veering to the south late in
the afternoon. Areas of dense fog. Freezing rain until late
afternoon. Showers. Waves 3 to 5 feet.
.TUESDAY NIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots in the late evening and early morning...then
becoming west 15 to 20 knots after midnight. Areas of dense fog
early in the evening. Showers. A chance of freezing rain and
sleet early in the morning. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.WEDNESDAY...Northwest winds 20 to 25 knots with gusts to
30 knots decreasing to 15 to 20 knots in the late morning and
afternoon. Showers likely early in the morning. Waves 5 to
7 feet. Waves occasionally around 10 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 3 to
5 feet.
.THURSDAY...Northeast winds 5 to 10 knots becoming east 10 to
15 knots late in the evening. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots becoming south 5 to
10 knots early in the evening...then veering to the west in the
late evening and early morning. A chance of snow showers. A
chance of showers in the afternoon. Waves 1 to 3 feet.
.SATURDAY...West winds 5 to 10 knots veering to the north until
early evening...then becoming east 10 to 15 knots in the late
evening and early morning. A chance of snow showers and showers
after midnight. Waves 1 to 3 feet.


$$

LHZ462>464-200915-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
352 PM EST Mon Feb 19 2018

.TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to
15 knots early in the morning. Patchy fog early in the evening.
Areas of fog early in the morning. Showers. Waves 2 feet or less.
.TUESDAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. Areas of dense fog.
Showers and a chance of thunderstorms. Waves 1 to 3 feet building
to 3 to 5 feet in the late morning and afternoon.
.TUESDAY NIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots after midnight. Areas of dense fog early in the
evening. Showers and a chance of thunderstorms. Waves 3 to
5 feet.
.WEDNESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots early in the afternoon. A chance of thunderstorms early
in the morning. Showers in the morning. A chance of snow showers
in the late morning and early afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.WEDNESDAY NIGHT...North winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. Waves 3 to 5 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming north 5 to
10 knots late in the afternoon...then becoming east 10 to
15 knots late in the evening. Waves 1 to 3 feet.
.FRIDAY...Southeast winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then veering
to the southwest early in the evening veering to the west in the
late evening and early morning. A chance of snow showers until
late afternoon. A chance of showers in the late morning and
afternoon. Waves 2 feet or less.
.SATURDAY...Northwest winds 5 to 10 knots veering to the east in
the late evening and early morning. A chance of snow showers
after midnight. Waves 2 feet or less.

Wave heights are for ice free areas.

$$

LHZ461-200915-
MAFOR 1922/
HURON NORTH 11206 11216 11226 13220 11316 11416. A chance of
snow showers early this evening. Waves 1 to 3 feet building to 2
to 4 feet tonight. Waves 2 to 4 feet Tuesday. 220102.

Wave heights are for ice free areas.

HURON SOUTH 11306 11206 11216 11306 11406 11416 12426
19424. Waves 2 feet or less tonight. Waves 2 to 4 feet Tuesday.
220101.

$$

AA

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)



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